APPLICATI***
Shallow reflected or shallow refracted w***e surveying, transient Rayleigh w***e surveying, w***e speed testing, ground pulsation testing, ***all strain foundation integrity testing, elastic w***e CT (computed tomography), sei***ic Imaging, foundation dynamic parameter testing.
Widely used in areas engineering geological surveying, dike surveying, and ground investigati*** and so on...
FEATURES:
1. Built-in lithium ion battery with 8 hour battery life
2. Light and portable (central unit weighs 4.5 kg), is the world's ***allest engineering sei***ic surveying equipment at present.
3. Built-in scrolling switch for ease of covering multiple reflected w***e surveys
4. Contains all shallow sei***ic surveying functionality
5. Windows 2000 operating system
6. Chinese user interface
7. Water-tight keyboard and mouse butt***
8. Two USB ports
9. Signal edge trigger, TTL trigger synchronization
MAIN SPECIFICATI***:
Channel No: 24
Sampling Interval: 25 us- 10 ms (selectable)
Bandwidth: 0.1 Hz - 5000 Hz
Programmable Analog Filter
Low cut filter: 10-200 Hz programmable
High cut filter: 500-2000 Hz programmable
Band cut filter: 50/60 Hz
A/D (IFP's) precision: Δ Σ 24 bit
Computational precision: 32 bit
Equivalent noise: 1μ V, RFI (at 2.0ms sampling rate)
Cross-channel interference: > 80dB
Harmonic distortion: -114 dB (at 2.0ms sampling rate)
Data Display and Recording:
Main processor: Intel Pentium 500 MHz processor
Memory: 118 MB
Internal hard drive: 10 GB
Monitor: 1024 X 512 8" SVGA
Data transfer: USB
Data storage: SEG2, SEGY, and Geopen data format
System self-test criteria
Static voice sound, cross-channel c***istency, cross-channel isolation
Main unit size and weight
Size: 330X180X100mm, weight: 4.5 kg
Environmental tolerances:
Operating temperature: -20 to 50 deg C
Storage temperature: -40 to 70 deg C
Operating humidity: 0 - 95%